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Ultra ARC Rocker Set w/ 1.5 Ratio for Pontiac 265-455 w/ 7/16" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19060 rockers feature a 1.5 ratio for use with 7/16" stud Pontiac 265-455.

Stock Replacement Rocker Arm Kit

Pioneer Automotive Industries Hi Perf Rocker Stud. Designed as a direct OEM replacement for reliable engine performance.

Engine Rocker Arm Kit; Roller Tip Rocker Arms; Chevy Gen III (LS-Series) 1.70 Billet Aluminum

Pioneer Automotive Industries Rocker Arm. Designed as a direct OEM replacement for reliable engine performance.

Rocker, 15-5ph SS, GM LS1 5.7L 1997-08, 1.8 x 3/8x 5/16 Kit w/o PR; Rocker Arm Kit; 17-4ph Stainless; 1.8 x 3/8 in.; Incl. 16-PRW Full Roller Stud Mount Rockers/Needle Roller Trunion Bearings/PRW RockerLoc Adjusters/Studs/5/16 in. Guideplates;

High Energy Rocker Set w/ 1.6 Ratio for Ford 351W w/ Pedestal Mount; Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. These 1235 rockers feature a 1.6 ratio for pedestal mount Ford 351 Windsor.

Ultra Pro Magnum 1.5 Ratio Right Shaft Mount Rocker for Chrysler 383-440 B/RB; This 1.5 ratio Ultra Pro Magnum right rocker arm replaces the right oriented rocker arms that come with our 1621-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 383-440 B/RB.

Ultra ARC Rocker w/ 1.65 Ratio for Pontiac 265-455 w/ 7/16" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19061 rocker features a 1.65 ratio for use with 7/16" stud Pontiac 265-455.

Pioneer Automotive Industries Stud Girdle. Designed as a direct OEM replacement for reliable engine performance.

Engine Rocker Arm Kit; Roller Tip Rocker Arms; Chevy Gen III (LS-Series) 1.80 Billet Aluminum

Pioneer Automotive Industries Rocker Arm. Designed as a direct OEM replacement for reliable engine performance.